Hello Jay.

Here's what I've found in 1851:

Thank goodness for Brian Lawson's census index, because you'd never otherwise find Richard Day in Ancestry, since they've indexed him as Richard Kelly.

DAY Richard 5 Dou 2525 268 70

1851 Onchan District 7 page 16
4 Cattle Market Street
Paul Kelly Head widower 78 Greenwich Pensioner born Douglas
Robert Kelly Son age 26 Mariner born Douglas
Lucy Day daughter widow age 34 born England
Richard Day (It says "son in law !) age 5 born Douglas
Thomas Quayle Grandson Orphan age 9 born Douglas

Jean C